Front cabin assembly and vehicle

Abstract

The utility model provides a front cabin assembly and a vehicle. The front cabin assembly comprises two front cabin longitudinal beams symmetrically arranged on the left side and the right side of the bottom of a front cabin, an upper transverse support and a lower transverse support, wherein the upper transverse support and the lower transverse support are arranged between the middle sections of the two front cabin longitudinal beams in a vertically spaced mode. The two ends of the upper transverse support are in lap joint with the tops of the front cabin longitudinal beams on the two sides respectively, and the two ends of the lower transverse support are connected to the bottoms of the inner sides of the front cabin longitudinal beams on the two sides respectively. According to the front cabin assembly, an upper transverse support and a lower transverse support which are vertically arranged in a spaced mode are arranged between the middle sections of two front cabin longitudinal beams, the two ends of the upper transverse support are in lap joint with the tops of the front cabin longitudinal beams on the two sides respectively, and the two ends of the lower transverse support are connected to the bottoms of the inner sides of the front cabin longitudinal beams on the two sides respectively. The structural strength of the middle area of the front cabin assembly is improved, the force transmission path of the front cabin is increased, and therefore the collision force transmission and dispersion effect of the front cabin assembly is improved, and the safety of a vehicle is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle parts, and in particular to a front engine compartment assembly. Meanwhile, the utility model also relates to a vehicle provided with the front engine compartment assembly. Background Art

[0002] With the popularity of automobiles, people pay more and more attention to automobile safety. The front cabin assembly is located at the front end of the vehicle body and plays an important role when the front end of the vehicle collides. Therefore, optimizing the structure of the front cabin assembly has become an important research direction to improve vehicle safety.

[0003] In the prior art front cabin assembly structure, due to the unreasonable connection relationship between the components, there are fewer components in the front cabin that participate in the dispersion and transmission of collision force, the force transmission path is single and the force transmission effect is poor. In particular, the middle area of ​​the front cabin assembly has poor structural strength and force transmission effect, which makes the torsional performance of the vehicle body weak and the cabin is prone to torsional deformation, which is not conducive to the collision safety of the vehicle. Utility Model Content

[0004] In view of this, the utility model aims to provide a front engine room assembly to improve the structural strength and force transmission effect of the middle area of ​​the front engine room assembly.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] A front cabin assembly, comprising two front cabin longitudinal beams symmetrically arranged on the left and right sides of the bottom of the front cabin, and an upper transverse bracket and a lower transverse bracket arranged between the middle sections of the two front cabin longitudinal beams at intervals in the upper and lower directions;

[0007] The two ends of the upper transverse bracket are respectively overlapped on the top of the front cabin longitudinal beam on both sides, and the two ends of the lower transverse bracket are respectively connected to the inner bottom of the front cabin longitudinal beam on both sides.

[0008] Furthermore, the upper transverse support and the lower transverse support are arranged vertically opposite to each other.

[0009] Furthermore, the upper transverse bracket and the lower transverse bracket both include a front crossbeam and a rear crossbeam arranged at intervals in the front-to-rear direction of the vehicle, and a plurality of longitudinal connecting beams connected between the front crossbeam and the rear crossbeam; the two ends of the front crossbeam and the rear crossbeam are respectively connected to the front cabin longitudinal beams on both sides.

[0010] Furthermore, it also includes a cross beam on the front panel, a ventilation cover mounting frame, and two wheel arch upper side beams symmetrically arranged on the left and right sides of the top of the front engine room; the wheel arch upper side beam is connected between the side panel assembly on the same side and the front end of the front engine room longitudinal beam, and a shock-absorbing tower is provided between the wheel arch upper side beam and the front engine room longitudinal beam on the same side; the left and right ends of the ventilation cover mounting frame are respectively connected to the two shock-absorbing towers, and the rear side of the ventilation cover mounting frame is connected to the cross beam on the front panel.

[0011] Furthermore, the ventilation cover mounting frame includes a main connecting rod, a rear connecting rod, and a middle connecting rod connected between the main connecting rod and the rear connecting rod; the main connecting rod is arranged along the left and right directions of the vehicle and is connected between the shock towers on both sides; the two ends of the rear connecting rod are connected to the main connecting rod at intervals on the left and right, and the rear connecting rod is arched toward the rear of the vehicle, and a connecting seat for connecting to the cross beam on the front panel is provided at the arched portion of the rear connecting rod.

[0012] Furthermore, it also includes an inner connecting plate and an outer connecting plate respectively arranged corresponding to the front cabin longitudinal beams on both sides; the inner connecting plate and the outer connecting plate both extend from the rear end of the front cabin longitudinal beam toward the rear of the vehicle, and are respectively inclined toward the left and right sides of the front cabin longitudinal beam; the rear end of the inner connecting plate is connected to the middle longitudinal beam of the vehicle body on the same side of the floor assembly, and the rear end of the outer connecting plate is connected to the side beam of the vehicle body on the same side of the floor assembly.

[0013] Furthermore, the front cabin assembly also includes a front panel lower cross beam connected between the rear ends of the two front cabin longitudinal beams.

[0014] Furthermore, the rear section of the front cabin longitudinal beam is gradually increased in height in the front-rear direction of the vehicle, the inner connecting plate and the outer connecting plate are both connected to the rear end bottom of the front cabin longitudinal beam, and the lower cross beam of the front panel is connected to the rear end upper part of the front cabin longitudinal beam.

[0015] Furthermore, it also includes torsion boxes respectively arranged corresponding to the front cabin longitudinal beams on the same side;

[0016] The torsion box is arranged at the rear end of the front cabin longitudinal beam and is connected between the inner connecting plate and the outer connecting plate on the same side.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] The front engine room assembly described in the utility model is provided with an upper transverse bracket and a lower transverse bracket which are spaced apart from each other in the middle sections of the two front engine room longitudinal beams, and the two ends of the upper transverse bracket are respectively overlapped on the tops of the front engine room longitudinal beams on both sides, and the two ends of the lower transverse bracket are respectively connected to the inner bottoms of the front engine room longitudinal beams on both sides. This is not only beneficial to improving the structural strength of the middle area of ​​the front engine room assembly, but also beneficial to increasing the force transmission path of the front engine room, thereby improving the transmission and dispersion effect of the front engine room assembly on the collision force, and further improving the safety of the vehicle.

[0019] In addition, the upper transverse bracket and the lower transverse bracket are arranged vertically opposite to each other, which is conducive to better energy absorption and dispersion transmission of the collision force transmitted to the front cabin longitudinal beam, and is easy to arrange and implement. In the upper transverse bracket and the lower transverse bracket, the front crossbeam and the rear crossbeam and multiple longitudinal connecting beams cooperate to form multiple closed-loop force transmission paths, which is conducive to further improving the absorption and transmission effect of the collision force, and the overall structure is simple and easy to process and form. The wheel cover upper side beam is connected between the side enclosure assembly and the front end of the front cabin longitudinal beam on the same side, which is conducive to guiding the collision force on the front cabin longitudinal beam to be transmitted to the side enclosure assembly through the wheel cover upper side beam, and connected to the two shock towers through the ventilation cover mounting frame, and the rear side of the ventilation cover mounting frame is connected to the cross beam on the front enclosure, so that the collision force can be transmitted between the two wheel cover upper side beams through the ventilation cover mounting frame, and transmitted to the front enclosure upper cross beam, thereby increasing multiple force transmission paths and improving the force transmission effect of the front cabin.

[0020] In addition, the main connecting rod, rear connecting rod and middle connecting rod in the ventilation cover mounting frame have simple structures, which are easy to arrange and implement. The rear connecting rod is provided with a connecting seat for connecting the cross beam on the front wall, which can form a force transmission structure between the cross beam on the front wall and the left and right wheel house side beams, and is conducive to improving the structural strength of the ventilation cover mounting frame. The rear end of the inner connecting plate is connected to the middle longitudinal beam of the vehicle body, and the rear end of the outer connecting plate is connected to the side beam of the vehicle body, which can guide the collision force to be transmitted backward along the middle longitudinal beam of the vehicle body and the side beam of the vehicle body, thereby facilitating improving the force transmission efficiency.

[0021] Furthermore, the structure of the lower cross beam of the dash panel is simple, which is conducive to improving the strength of the bottom of the dash panel and improving the force transmission effect of the dash assembly. The rear section of the front cabin longitudinal beam is set with a gradually larger height dimension in the front and rear directions of the vehicle, which is conducive to the more dispersed transmission of the collision force to the rear; the inner connecting plate and the outer connecting plate are both connected to the rear end bottom of the front cabin longitudinal beam, and the lower cross beam of the dash panel is connected to the rear end upper part of the front cabin longitudinal beam, which is conducive to improving the dispersion efficiency. The torsion box is set at the rear end of the front cabin longitudinal beam and connected between the inner connecting plate and the outer connecting plate on the same side, which is conducive to improving the energy absorption and dispersed transmission effect of the rear end of the front cabin longitudinal beam on the collision force.

[0022] In addition, another object of the present invention is to provide a vehicle, wherein the vehicle is provided with the front engine compartment assembly as described above.

[0023] The vehicle described in the utility model is helpful to improve the collision safety of the vehicle by providing the front engine compartment assembly as described above. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings, which constitute part of the present invention, are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention. The directional terms such as front and back, top and bottom involved therein are only used to indicate relative positional relationships and do not constitute improper limitations on the present invention. In the accompanying drawings:

[0025] Figure 1 It is a structural schematic diagram of the front cabin assembly according to an embodiment of the utility model at a first viewing angle;

[0026] Figure 2 It is a structural schematic diagram of the front cabin assembly according to an embodiment of the utility model at a second viewing angle;

[0027] Figure 3 It is a structural schematic diagram of the front cabin assembly according to an embodiment of the utility model at a third viewing angle;

[0028] Figure 4 It is a structural schematic diagram of the front cabin assembly according to an embodiment of the utility model at a fourth viewing angle;

[0029] Figure 5 This is a schematic diagram of the structure of the upper transverse bracket according to an embodiment of the utility model;

[0030] Figure 6 This is a schematic diagram of the structure of the ventilation cover mounting frame according to an embodiment of the utility model;

[0031] Figure 7 For the utility model embodiment Figure 1 Schematic diagram of the position of some force transmission structures in FIG.

[0032] Figure 8 For the utility model embodiment Figure 4 Schematic diagram of the position of some force transmission structures in FIG.

[0033] Fig. 9 For the utility model embodiment Figure 3 Schematic diagram of the location of some force transmission structures in .

[0034] Description of reference numerals:

[0035] 1. Front cabin longitudinal beam; 11. Upper side beam of wheel housing; 110. Shock absorber tower; 120. A-pillar; 13. Floor assembly; 130. Middle longitudinal beam of vehicle body; 131. Middle channel; 140. Inner connecting plate; 141. Outer connecting plate; 15. Torque box; 16. Energy absorption box; 21. Lower cross beam of front wall; 22. Upper cross beam of front wall; 23. Ventilation cover mounting bracket; 230. Main connecting rod; 231. Rear connecting rod; 232. Middle connecting rod; 233. Connecting seat; 24. Lower reinforcing plate of front wall; 31. Upper transverse bracket; 32. Lower transverse bracket; 301. Front cross beam; 302. Rear cross beam; 303. Longitudinal connecting beam; 304. Mounting seat. DETAILED DESCRIPTION

[0036] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0037] In the description of the present utility model, it should be noted that the directional words such as "up, down, left, right, front, and back" used in this embodiment are defined based on the up-down direction, left-right direction, and front-back direction of the whole vehicle. Among them, the up-down direction of the whole vehicle is also the height direction of the whole vehicle, the front-back direction of the whole vehicle is also the length direction of the whole vehicle, and the left-right direction of the whole vehicle is also the width direction of the whole vehicle. In addition, the terms "first" and "second" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0039] The present embodiment relates to a front cabin assembly, which aims to improve the structural strength and force transmission effect of the middle area of ​​the front cabin assembly by optimizing its own structure.

[0040] In terms of overall structure, the front cabin assembly includes two front cabin longitudinal beams 1 symmetrically arranged on the left and right sides of the bottom of the front cabin, and an upper transverse bracket 31 and a lower transverse bracket 32 ​​arranged at intervals between the middle sections of the two front cabin longitudinal beams 1. The two ends of the upper transverse bracket 31 are respectively overlapped on the top of the front cabin longitudinal beams 1 on both sides, and the two ends of the lower transverse bracket 32 ​​are respectively connected to the inner bottom of the front cabin longitudinal beams 1 on both sides.

[0041] The front engine room assembly of the present embodiment is provided with an upper transverse bracket 31 and a lower transverse bracket 32 ​​which are spaced apart from each other in the middle sections of the two front engine room longitudinal beams 1. The two ends of the upper transverse bracket 31 are respectively overlapped on the top of the front engine room longitudinal beams 1 on both sides, and the two ends of the lower transverse bracket 32 ​​are respectively connected to the inner bottom of the front engine room longitudinal beams 1 on both sides. This is not only beneficial to improving the structural strength of the middle area of ​​the front engine room assembly, but also beneficial to increasing the force transmission path of the front engine room, thereby improving the transmission and dispersion effect of the front engine room assembly on the collision force, and further improving the safety of the vehicle.

[0042] Based on the above overall introduction, an exemplary structure of the front cabin assembly in this embodiment is as follows: Figures 1 to 4 As shown in . The front ends of the two front cabin longitudinal beams 1 are connected to anti-collision beams not shown in the figure. After the collision force acts on the anti-collision beam, it can be dispersed and transmitted backward through the two front cabin longitudinal beams 1, thereby helping to improve the safety of the front cabin assembly. As a preferred embodiment, the upper transverse bracket 31 and the lower transverse bracket 32 ​​in this embodiment are arranged vertically opposite to each other. This is beneficial for both to better absorb and disperse the collision force transmitted to the front cabin longitudinal beam 1, and is easy to arrange and implement.

[0043] Combination Figure 1 and Figure 4 As shown in the figure, the front end of each front cabin longitudinal beam 1 is connected to the front anti-collision beam through the energy absorption box 16, and the rear end of each front cabin longitudinal beam 1 is connected to the front enclosure. In this embodiment, the middle section of the front cabin longitudinal beam 1 refers to the part located in the middle of the front cabin longitudinal beam 1. In order to facilitate the description of the different features of each section of the front cabin longitudinal beam 1, this embodiment divides the front cabin longitudinal beam 1 into the following Figure 4 The front section, middle section and rear section are shown in . Of course, the specific length of each section and its division ratio can be flexibly adjusted.

[0044] In this embodiment, the space in the middle section of the front cabin longitudinal beam 1 is large, and there is a problem of low strength. By arranging an upper transverse bracket 31 and a lower transverse bracket 32 ​​between the middle sections of the two front cabin longitudinal beams 1, it is beneficial to improve the structural strength of the middle section of the front cabin longitudinal beam 1. In this embodiment, the upper transverse bracket 31 and the lower transverse bracket 32 ​​both include a front cross beam 301 and a rear cross beam 302 arranged at intervals in the front and rear directions of the vehicle, and a plurality of longitudinal connecting beams 303 connected between the front cross beam 301 and the rear cross beam 302, and the two ends of the front cross beam 301 and the rear cross beam 302 are respectively connected to the front cabin longitudinal beams 1 on both sides.

[0045] In this embodiment, in the upper transverse bracket 31 and the lower transverse bracket 32, the front cross beam 301 and the rear cross beam 302 and multiple longitudinal connecting beams 303 cooperate to form multiple closed-loop force transmission paths, which is beneficial to further improve the absorption and transmission effect of collision force, and the overall structure is simple and easy to process and form.

[0046] In terms of specific structure, the two ends of the two front cross beams 301 and the rear cross beam 302 in the upper cross bracket 31 are connected between the tops of the two front cabin longitudinal beams 1 via bolts passing through the upper cross bracket 31. To facilitate the installation of the lower cross bracket 32, a mounting seat 304 is provided on the inner side of the bottom of the front cabin longitudinal beam 1 corresponding to the two ends of the front cross beam 301 and the rear cross beam 302, and the two ends of the front cross beam 301 and the rear cross beam 302 in the lower cross bracket 32 ​​are connected to the tops of the corresponding mounting seats 304 via bolts.

[0047] As a structural example, the number of longitudinal connecting beams 303 in both the upper transverse bracket 31 and the lower transverse bracket 32 is two. By cooperating with the two front engine compartment longitudinal beams 1, both the upper transverse bracket 31 and the lower transverse bracket 32 are in the shape of a horizontally placed "eye", which not only has high structural strength, but also is conducive to forming multiple annular force transmission paths, improving the energy absorption and transmission effect of collision forces.

[0048] Of course, in specific implementation, the number of longitudinal connecting beams 303 can also be adjusted according to usage requirements. In addition, even if the upper transverse bracket 31 and the lower transverse bracket 32 are arranged at intervals along the length direction of the front engine compartment longitudinal beam 1, this non-vertically opposite arrangement scheme is also feasible.

[0049] As a preferred implementation manner, as Figure 1 shown in [the figure], the front engine compartment assembly in this embodiment further includes an upper cross beam 22 of the front panel, a ventilation cover mounting bracket 23, and two upper wheel arch beams 11 symmetrically arranged on the left and right sides of the top of the front engine compartment. Among them, the upper wheel arch beam 11 is connected between the side panel assembly on the same side and the front end of the front engine compartment longitudinal beam 1 on the same side, and a shock tower 110 is provided between the upper wheel arch beam 11 and the front engine compartment longitudinal beam 1 on the same side. The left and right ends of the ventilation cover mounting bracket 23 are respectively connected to the two shock towers 110, and the rear side of the ventilation cover mounting bracket 23 is connected to the upper cross beam 22 of the front panel, thereby connecting to the front panel assembly.

[0050] Specifically, as Figure 1 and Figure 4 shown in [the figure], the upper wheel arch beam 11 is generally arched, its front end is connected to the outer side of the front end of the front engine compartment longitudinal beam 1, and its rear end is connected to the side panel assembly, so as to transmit the collision force backward to the A-pillar 120 through the side panel assembly, and further enable the collision force to be transmitted in the vehicle height direction. The upper wheel arch beam 11 in this embodiment includes an upper beam body, a wheel arch connecting plate connected to the front end of the upper beam body, and a side beam connecting plate connected to the rear end of the upper beam body. The upper wheel arch beam 11 is connected to the front engine compartment longitudinal beam 1 through the wheel arch connecting plate and is connected to the A-pillar 120 in the side panel assembly through the side beam connecting plate.

[0051] The shock tower 110 in this embodiment is formed on the upper wheel arch beam 11, and the bottom of the shock tower 110 extends downward and is connected to the front engine compartment longitudinal beam 1 on the corresponding side. Among them, in the vehicle length direction, both shock towers 110 are located behind the upper transverse bracket 31 and the lower transverse bracket 32.

[0052] In addition, the front engine compartment assembly further includes a lower cross beam 21 of the front panel connected between the rear ends of the two front engine compartment longitudinal beams 1. The lower cross beam 21 of the front panel is connected to the bottom of the side panel assembly between the two front engine compartment longitudinal beams 1 relative to the upper cross beam 22 of the front panel. As Figure 3As shown in , in order to improve the structural strength of the front enclosure, a front enclosure lower reinforcement plate 24 is connected to the outer side of each front cabin longitudinal beam 1, and the front enclosure lower reinforcement plate 24 extends outwardly along the width direction of the entire vehicle to the rear end of the wheel house upper side beam 11.

[0053] Preferably, the front wall lower reinforcement plate 24 is thickened (preferably thicker than the thickness of the front wall lower cross beam) to improve the structural strength. In specific implementation, the thickness of the front wall lower reinforcement plate 24 can be 1.6mm-1.8mm, for example, the thickness of the front wall lower reinforcement plate 24 can be 1.7mm.

[0054] In this embodiment, the wheel arch upper side beam 11 is connected between the side enclosure assembly and the front end of the front cabin longitudinal beam 1 on the same side, which is conducive to guiding the collision force on the front cabin longitudinal beam 1 to be transmitted to the side enclosure assembly through the wheel arch upper side beam 11. It is connected to the two shock towers 110 through the ventilation cover mounting frame 23, and the rear side of the ventilation cover mounting frame 23 is connected to the cross beam 22 on the front panel, so that the collision force can be transmitted between the two wheel arch upper side beams 11 through the ventilation cover mounting frame 23, and can be transmitted to the cross beam 22 on the front panel, so that the collision force can be transmitted to the front enclosure assembly, which is conducive to increasing the force transmission path in the front cabin assembly and improving the force transmission effect of the front cabin.

[0055] As a preferred embodiment, Figure 1 and Figure 6 As shown in the figure, the vent cover mounting frame 23 includes a main link 230, a rear link 231, and a middle link 232 connected between the main link 230 and the rear link 231. The main link 230 is arranged along the left and right direction of the vehicle and connected between the shock towers 110 on both sides. The two ends of the rear link 231 are connected to the main link 230 at intervals on the left and right, and the rear link 231 is arched toward the rear of the vehicle, and a connecting seat 233 for connecting the cross beam 22 on the front panel is provided at the arched portion of the rear link 231.

[0056] In this embodiment, the main connecting rod 230, the rear connecting rod 231 and the middle connecting rod 232 in the ventilation cover mounting frame 23 have simple structures and are easy to arrange and implement. A connecting seat 233 for connecting the cross beam 22 on the front panel is provided on the rear connecting rod 231, which can form a force transmission structure between the cross beam 22 on the front panel and the upper side beams 11 of the left and right wheel arches, and is beneficial to improving the structural strength of the ventilation cover mounting frame 23.

[0057] In terms of detailed structure, the rear connecting rod 231 is arched toward the rear of the vehicle, so that the rear connecting rod 231 is roughly in a “>” shape, and a through hole is defined between the main connecting rod 230 and the rear connecting rod 231. The front end of the middle connecting rod 232 is connected to the main connecting rod 230, and the rear end is connected to the rear connecting rod 231, thereby dividing the through hole into two parts. In addition, if the layout space allows, the main connecting rod 230 has Figure 6 In addition to the curved portion shown in the figure to avoid surrounding components, it can also be set to a straight shape.

[0058] Here, the ventilation cover mounting frame 23 is connected to the two shock towers 110 and the upper cross beam of the front enclosure through three connection points, respectively. The three connection points are arranged in a triangle with good stability, which is beneficial to improving the connection stability and reliability of the ventilation cover mounting frame 23.

[0059] like Figure 3 As shown in the figure, the front cabin longitudinal beam 1 assembly in this embodiment further includes an inner connecting plate 140 and an outer connecting plate 141 respectively arranged corresponding to the front cabin longitudinal beams 1 on both sides. The inner connecting plate 140 and the outer connecting plate 141 both extend from the rear end of the front cabin longitudinal beam 1 toward the rear of the vehicle, and are respectively arranged obliquely toward the left and right sides of the front cabin longitudinal beam 1. The rear end of the inner connecting plate 140 is connected to the vehicle body middle longitudinal beam 130 on the same side of the floor assembly 13, and the rear end of the outer connecting plate 141 is connected to the vehicle body side beam on the same side of the floor assembly 13.

[0060] Among them, the inner connecting plate 140 is connected to the inner side of the rear section of the front cabin longitudinal beam 1, and the outer connecting plate 141 is connected to the outer side of the rear section of the front cabin longitudinal beam 1 relative to the inner connecting plate 140. The body side beams are arranged on the left and right sides of the floor assembly 13 (i.e., the rear floor), and the middle body longitudinal beam 130 is respectively located on the left and right sides of the middle channel 131 on the floor assembly 13, and is extended along the length direction of the vehicle. In this embodiment, the rear end of the inner connecting plate 140 is connected to the middle body longitudinal beam 130, and the rear end of the outer connecting plate 141 is connected to the body side beam, which can guide the collision force to be transmitted backward along the middle body longitudinal beam 130 and the body side beam, thereby facilitating the improvement of the force transmission efficiency.

[0061] As a preferred embodiment, refer to Figure 3 As shown in , the rear section of the front cabin longitudinal beam 1 is gradually set with a larger height dimension in the front-to-back direction of the vehicle, the inner connecting plate 140 and the outer connecting plate 141 are both connected to the rear end bottom of the front cabin longitudinal beam 1, and the lower cross beam 21 of the front panel is connected to the upper rear end of the front cabin longitudinal beam 1. Here, in this embodiment, the rear section of the front cabin longitudinal beam 1 is gradually set with a larger height dimension in the front-to-back direction of the vehicle, which is conducive to the more dispersed transmission of the collision force to the rear. The inner connecting plate 140 and the outer connecting plate 141 are symmetrically arranged, and the connection between the two and the rear section of the front cabin longitudinal beam 1 is triangular, so as to adapt to the shape of the rear section of the front cabin longitudinal beam 1, thereby facilitating the improvement of the connection reliability between the two and the rear section of the front cabin longitudinal beam 1.

[0062] like Figure 3 and Fig. 9As shown in the figure, both the inner connecting plate 140 and the outer connecting plate 141 are connected to the bottom of the rear end of the front engine compartment longitudinal beam 1, and the lower cross beam 21 of the front bulkhead is connected to the upper part of the rear end of the front engine compartment longitudinal beam 1. The collision force transmitted to the rear section of the front engine compartment longitudinal beam 1 is divided into two paths through the inner connecting plate 140 and the outer connecting plate 141 respectively, and is transmitted to the middle longitudinal beam 130 of the vehicle body and the side sill of the vehicle body respectively, which is beneficial to improving the dispersion effect of the collision force in the longitudinal direction of the whole vehicle.

[0063] Furthermore, the front engine compartment assembly further includes torque boxes 15 respectively arranged corresponding to the front engine compartment longitudinal beams 1 on both sides. As Figure 3 shown in the figure, the torque box 15 is arranged at the rear end of the front engine compartment longitudinal beam 1 and is connected between the inner connecting plate 140 and the outer connecting plate 141 on the same side. Here, the inner connecting plate 140 and the outer connecting plate 141 cooperate to form a triangle, which is beneficial to improving the connection reliability between the front engine compartment longitudinal beam 1 and the inner connecting plate 140 and the outer connecting plate 141. The force transmission path composed of the rear section of the front engine compartment longitudinal beam 1, the torque box 15, and the inner connecting plate 140 and the outer connecting plate 141 is beneficial to the decomposition of the collision force and the front-end energy absorption, and at the same time, the collision force can be transmitted to the floor assembly 13.

[0064] As Figures 7 to 9 shown in the figure, the front engine compartment assembly in this embodiment can cooperate with the anti-collision beam and the lower cross beam 21 of the front bulkhead due to the setting of the upper transverse bracket 31 and the lower transverse bracket 32, and can form two "eye"-shaped first closed-loop force transmission structures A and second closed-loop force transmission structures B arranged up and down. The front engine compartment longitudinal beam 1, the upper wheelhouse edge beam 11, the shock tower 110, and the side body assembly arranged on the same side can form a trapezoid-like third closed-loop force transmission structure C. Here, the first closed-loop force transmission structure A, the second closed-loop force transmission structure B, and the third closed-loop force transmission structure C can all effectively improve the torsional resistance performance of the front engine compartment, thus being beneficial to ensuring the safety of the front engine compartment accessories.

[0065] In addition, the ventilation cover mounting bracket 23, the two shock towers 110, and the upper transverse bracket 31 form a fourth closed-loop force transmission structure D. The rear section of the front engine compartment longitudinal beam 1 jointly forms a fifth force transmission structure E through the inner connecting plate 140 and the outer connecting plate 141, the torque box 15, and the middle longitudinal beam 130 of the vehicle body and the side sill of the vehicle body. Among them, in the width direction of the whole vehicle, the anti-collision beam, the upper transverse bracket 31 and the front cross beam 301 and the rear cross beam 302 in the upper transverse bracket 31, the lower cross beam 21 of the front bulkhead, and the main link 230 in the ventilation cover mounting bracket 23 can form seven 'one'-shaped force transmission paths. Obviously, the force transmission structures formed by the cooperation of the components in the front engine compartment longitudinal beam 1 are not limited to the above five.

[0066] The front cabin assembly in the present embodiment helps to improve the structural strength of the front part of the vehicle body by optimizing the connection and matching relationship of multiple components in the front cabin. At the same time, it can also form multiple force transmission structures in the length, width and height directions of the vehicle to disperse and transmit the collision force, so that more components in the front cabin can participate in the absorption and transmission of the collision force, thereby helping to improve the collision safety of the front cabin assembly and further help to ensure the safety of the driver.

[0067] In addition, the present embodiment also relates to a vehicle, on which the front cabin assembly as described above is provided.

[0068] The vehicle of this embodiment is helpful to improve the collision safety of the vehicle by providing the front engine compartment assembly as described above.

[0069] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A front cabin assembly, characterized in that: It comprises two front cabin longitudinal beams (1) symmetrically arranged on the left and right sides of the bottom of the front cabin, and an upper transverse bracket (31) and a lower transverse bracket (32) arranged at intervals between the middle sections of the two front cabin longitudinal beams (1); The two ends of the upper transverse bracket (31) are respectively overlapped on the top of the front cabin longitudinal beam (1) on both sides, and the two ends of the lower transverse bracket (32) are respectively connected to the inner bottom of the front cabin longitudinal beam (1) on both sides.

2. The front nacelle assembly according to claim 1, characterized in that: The upper transverse support (31) and the lower transverse support (32) are arranged vertically opposite to each other.

3. The front nacelle assembly according to claim 1, characterized in that: The upper transverse bracket (31) and the lower transverse bracket (32) both include a front crossbeam (301) and a rear crossbeam (302) arranged at intervals in the front-rear direction of the vehicle, and a plurality of longitudinal connecting beams (303) connected between the front crossbeam (301) and the rear crossbeam (302); The two ends of the front cross beam (301) and the rear cross beam (302) are respectively connected to the front cabin longitudinal beams (1) on both sides.

4. The front nacelle assembly according to claim 1, characterized in that: It also includes a front panel crossbeam (22), a ventilated cover mounting frame (23), and two wheel house upper side beams (11) symmetrically arranged on the left and right sides of the front cabin top; The wheel house upper side beam (11) is connected between the side enclosure assembly on the same side and the front end of the front cabin longitudinal beam (1), and a shock absorbing tower (110) is provided between the wheel house upper side beam (11) and the front cabin longitudinal beam (1) on the same side; The left and right ends of the ventilation cover mounting frame (23) are respectively connected to the two shock absorbing towers (110), and the rear side of the ventilation cover mounting frame (23) is connected to the cross beam (22) on the front panel.

5. The front nacelle assembly according to claim 4, characterized in that: The ventilation cover mounting frame (23) comprises a main connecting rod (230), a rear connecting rod (231), and a middle connecting rod (232) connected between the main connecting rod (230) and the rear connecting rod (231); The main connecting rod (230) is arranged along the left-right direction of the vehicle and connected between the shock towers (110) on both sides; the two ends of the rear connecting rod (231) are connected to the main connecting rod (230) at intervals on the left and right, and the rear connecting rod (231) is arched toward the rear of the vehicle, and a connecting seat (233) for connecting to the cross beam (22) on the front panel is provided at the arched portion of the rear connecting rod (231).

6. The front nacelle assembly according to any one of claims 1 to 5, characterized in that: It also includes an inner connecting plate (140) and an outer connecting plate (141) respectively arranged corresponding to the front cabin longitudinal beams (1) on both sides; The inner connecting plate (140) and the outer connecting plate (141) both extend from the rear end of the front cabin longitudinal beam (1) toward the rear of the vehicle, and are respectively arranged obliquely toward the left and right sides of the front cabin longitudinal beam (1); The rear end of the inner connecting plate (140) is connected to the vehicle body middle longitudinal beam (130) on the same side of the floor assembly (13), and the rear end of the outer connecting plate (141) is connected to the vehicle body side beam (131) on the same side of the floor assembly (13).

7. The front nacelle assembly according to claim 6, characterized in that: The front cabin assembly also includes a front panel lower cross beam (21) connected between the rear ends of the two front cabin longitudinal beams (1).

8. The front nacelle assembly according to claim 7, characterized in that: The rear section of the front engine room longitudinal beam (1) is arranged with a height dimension gradually increasing in the front-rear direction of the vehicle, the inner connecting plate (140) and the outer connecting plate (141) are both connected to the rear end bottom of the front engine room longitudinal beam (1), and the front panel lower cross beam (21) is connected to the rear end upper part of the front engine room longitudinal beam (1).

9. The front nacelle assembly according to claim 8, characterized in that: It also includes torsion boxes (15) respectively arranged corresponding to the front cabin longitudinal beams (1) on both sides; The torsion box (15) is arranged at the rear end of the front cabin longitudinal beam (1) and is connected between the inner connecting plate (140) and the outer connecting plate (141) on the same side.

10. A vehicle, characterized in that: The vehicle is provided with the front cabin assembly according to any one of claims 1 to 9.

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